Screwdriver bit



FIG. 1 is a left side perspective view of the first variant of the design, having cross slot-type tips;

FIG. 2 is a front side elevational view thereof, the back side elevational view being a mirror image thereof;

FIG. 3 is a top plan view thereof, the bottom plan view being a mirror image thereof;

FIG. 4 is a left end elevational view thereof;

FIG. 5 is a right end elevational view thereof;

FIG. 6 is a left side perspective view of the second variant of the design, having slot-type tips;

FIG. 7 is a front side elevational view of the second variant of the design, the back side elevational view being a mirror image thereof;

FIG. 8 is a top plan view of the second variant of the design, the bottom plan view being a mirror image thereof;

FIG. 9 is a left end elevational view of the second variant of the design;

FIG. 10 is a right end elevational view of the second variant of the design;

FIG. 11 is a left side perspective view of the third variant of the design, having star-type tips;

FIG. 12 is a front side elevational view of the third variant of the design, the backside elevational view being a mirror image thereof;

FIG. 13 is a top plan view of the third variant of the design, the bottom plan view being a mirror image thereof;

FIG. 14 is a left end elevational view of the third variant of the design; and,

FIG. 15 is a right end elevational view of the third variant of the design.

The screwdriver bit is shown broken away to indicate indeterminate length. 

The ornamental design for a screwdriver bit, as shown and described. 